Which Rocks term is correctly associated with identifying feature: “very resistant to weathering”, and also with “used as construction aggregate and decorative stone”?

Correct Answer: Option C — Quartzite. Quartzite is correct because it is very resistant to weathering. Quartzite is also associated with used as construction aggregate and decorative stone. A further identifying fact is that Quartzite is very resistant to weathering. Another useful fact is that Quartzite is associated with used as construction aggregate and decorative stone. Why the other options are incorrect: Option A — Granite: It is coarse-grained with visible crystals and is associated with widely used as building and decorative stone; those are the identifying facts of Granite. Option B — Basalt: It is dark-coloured and fine-grained and is associated with common in oceanic crust and lava plateaus; those are the identifying facts of Basalt. Option D — Pumice: It is so porous that some pieces can float on water and is associated with used as an abrasive and lightweight aggregate; those are the identifying facts of Pumice. Exam Takeaway: Link Quartzite with “very resistant to weathering” and “used as construction aggregate and decorative stone” for quick revision.